---

yaml
---
r: 376497
b: refs/heads/master
c: 6cf3c73
h: refs/heads/master
i:
  376495: f180351
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4ad1f70ebcdb69393ce083f514bf4a4a3a3e65cb
+refs/heads/master: 6cf3c736200e3924d8ce6b37e5006a4598b9236d

trunk/arch/arm64/kernel/arm64ksyms.c

@@ -34,6 +34,7 @@ EXPORT_SYMBOL(__strnlen_user);
 EXPORT_SYMBOL(__strncpy_from_user);
 
 EXPORT_SYMBOL(copy_page);
+EXPORT_SYMBOL(clear_page);
 
 EXPORT_SYMBOL(__copy_from_user);
 EXPORT_SYMBOL(__copy_to_user);

trunk/arch/arm64/kernel/entry.S

@@ -390,6 +390,16 @@ el0_sync_compat:
 	b.eq	el0_fpsimd_exc
 	cmp	x24, #ESR_EL1_EC_UNKNOWN	// unknown exception in EL0
 	b.eq	el0_undef
+	cmp	x24, #ESR_EL1_EC_CP15_32	// CP15 MRC/MCR trap
+	b.eq	el0_undef
+	cmp	x24, #ESR_EL1_EC_CP15_64	// CP15 MRRC/MCRR trap
+	b.eq	el0_undef
+	cmp	x24, #ESR_EL1_EC_CP14_MR	// CP14 MRC/MCR trap
+	b.eq	el0_undef
+	cmp	x24, #ESR_EL1_EC_CP14_LS	// CP14 LDC/STC trap
+	b.eq	el0_undef
+	cmp	x24, #ESR_EL1_EC_CP14_64	// CP14 MRRC/MCRR trap
+	b.eq	el0_undef
 	cmp	x24, #ESR_EL1_EC_BREAKPT_EL0	// debug exception in EL0
 	b.ge	el0_dbg
 	b	el0_inv

trunk/arch/arm64/kernel/traps.c

@@ -267,7 +267,8 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
 		return;
 #endif
 
-	if (show_unhandled_signals) {
+	if (show_unhandled_signals && unhandled_signal(current, SIGILL) &&
+	    printk_ratelimit()) {
 		pr_info("%s[%d]: undefined instruction: pc=%p\n",
 			current->comm, task_pid_nr(current), pc);
 		dump_instr(KERN_INFO, regs);
@@ -294,7 +295,7 @@ asmlinkage long do_ni_syscall(struct pt_regs *regs)
 	}
 #endif
 
-	if (show_unhandled_signals) {
+	if (show_unhandled_signals && printk_ratelimit()) {
 		pr_info("%s[%d]: syscall %d\n", current->comm,
 			task_pid_nr(current), (int)regs->syscallno);
 		dump_instr("", regs);
@@ -310,14 +311,20 @@ asmlinkage long do_ni_syscall(struct pt_regs *regs)
  */
 asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr)
 {
+	siginfo_t info;
+	void __user *pc = (void __user *)instruction_pointer(regs);
 	console_verbose();
 
 	pr_crit("Bad mode in %s handler detected, code 0x%08x\n",
 		handler[reason], esr);
+	__show_regs(regs);
+
+	info.si_signo = SIGILL;
+	info.si_errno = 0;
+	info.si_code  = ILL_ILLOPC;
+	info.si_addr  = pc;
 
-	die("Oops - bad mode", regs, 0);
-	local_irq_disable();
-	panic("bad mode");
+	arm64_notify_die("Oops - bad mode", regs, &info, 0);
 }
 
 void __pte_error(const char *file, int line, unsigned long val)

trunk/arch/arm64/mm/fault.c

@@ -113,7 +113,8 @@ static void __do_user_fault(struct task_struct *tsk, unsigned long addr,
 {
 	struct siginfo si;
 
-	if (show_unhandled_signals) {
+	if (show_unhandled_signals && unhandled_signal(tsk, sig) &&
+	    printk_ratelimit()) {
 		pr_info("%s[%d]: unhandled %s (%d) at 0x%08lx, esr 0x%03x\n",
 			tsk->comm, task_pid_nr(tsk), fault_name(esr), sig,
 			addr, esr);

trunk/drivers/acpi/apei/cper.c

@@ -250,10 +250,6 @@ static const char *cper_pcie_port_type_strs[] = {
 static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
 			    const struct acpi_hest_generic_data *gdata)
 {
-#ifdef CONFIG_ACPI_APEI_PCIEAER
-	struct pci_dev *dev;
-#endif
-
 	if (pcie->validation_bits & CPER_PCIE_VALID_PORT_TYPE)
 		printk("%s""port_type: %d, %s\n", pfx, pcie->port_type,
 		       pcie->port_type < ARRAY_SIZE(cper_pcie_port_type_strs) ?
@@ -285,20 +281,6 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
 		printk(
 	"%s""bridge: secondary_status: 0x%04x, control: 0x%04x\n",
 	pfx, pcie->bridge.secondary_status, pcie->bridge.control);
-#ifdef CONFIG_ACPI_APEI_PCIEAER
-	dev = pci_get_domain_bus_and_slot(pcie->device_id.segment,
-			pcie->device_id.bus, pcie->device_id.function);
-	if (!dev) {
-		pr_err("PCI AER Cannot get PCI device %04x:%02x:%02x.%d\n",
-			pcie->device_id.segment, pcie->device_id.bus,
-			pcie->device_id.slot, pcie->device_id.function);
-		return;
-	}
-	if (pcie->validation_bits & CPER_PCIE_VALID_AER_INFO)
-		cper_print_aer(pfx, dev, gdata->error_severity,
-				(struct aer_capability_regs *) pcie->aer_info);
-	pci_dev_put(dev);
-#endif
 }
 
 static const char *apei_estatus_section_flag_strs[] = {

trunk/drivers/acpi/apei/ghes.c

@@ -454,7 +454,9 @@ static void ghes_do_proc(struct ghes *ghes,
 				aer_severity = cper_severity_to_aer(sev);
 				aer_recover_queue(pcie_err->device_id.segment,
 						  pcie_err->device_id.bus,
-						  devfn, aer_severity);
+						  devfn, aer_severity,
+						  (struct aer_capability_regs *)
+						  pcie_err->aer_info);
 			}
 
 		}

trunk/drivers/pci/pcie/aer/aerdrv_core.c

@@ -580,6 +580,7 @@ struct aer_recover_entry
 	u8	devfn;
 	u16	domain;
 	int	severity;
+	struct aer_capability_regs *regs;
 };
 
 static DEFINE_KFIFO(aer_recover_ring, struct aer_recover_entry,
@@ -593,14 +594,15 @@ static DEFINE_SPINLOCK(aer_recover_ring_lock);
 static DECLARE_WORK(aer_recover_work, aer_recover_work_func);
 
 void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
-		       int severity)
+		       int severity, struct aer_capability_regs *aer_regs)
 {
 	unsigned long flags;
 	struct aer_recover_entry entry = {
 		.bus		= bus,
 		.devfn		= devfn,
 		.domain		= domain,
 		.severity	= severity,
+		.regs		= aer_regs,
 	};
 
 	spin_lock_irqsave(&aer_recover_ring_lock, flags);
@@ -627,6 +629,7 @@ static void aer_recover_work_func(struct work_struct *work)
 			       PCI_SLOT(entry.devfn), PCI_FUNC(entry.devfn));
 			continue;
 		}
+		cper_print_aer(pdev, entry.severity, entry.regs);
 		do_recovery(pdev, entry.severity);
 		pci_dev_put(pdev);
 	}

trunk/drivers/pci/pcie/aer/aerdrv_errprint.c

@@ -220,7 +220,7 @@ int cper_severity_to_aer(int cper_severity)
 }
 EXPORT_SYMBOL_GPL(cper_severity_to_aer);
 
-void cper_print_aer(const char *prefix, struct pci_dev *dev, int cper_severity,
+void cper_print_aer(struct pci_dev *dev, int cper_severity,
 		    struct aer_capability_regs *aer)
 {
 	int aer_severity, layer, agent, status_strs_size, tlp_header_valid = 0;
@@ -244,7 +244,7 @@ void cper_print_aer(const char *prefix, struct pci_dev *dev, int cper_severity,
 	agent = AER_GET_AGENT(aer_severity, status);
 	dev_err(&dev->dev, "aer_status: 0x%08x, aer_mask: 0x%08x\n",
 	       status, mask);
-	cper_print_bits(prefix, status, status_strs, status_strs_size);
+	cper_print_bits("", status, status_strs, status_strs_size);
 	dev_err(&dev->dev, "aer_layer=%s, aer_agent=%s\n",
 	       aer_error_layer[layer], aer_agent_string[agent]);
 	if (aer_severity != AER_CORRECTABLE)

trunk/fs/nfs/nfs4proc.c

@@ -1078,7 +1078,7 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata)
 	struct nfs4_state *state = opendata->state;
 	struct nfs_inode *nfsi = NFS_I(state->inode);
 	struct nfs_delegation *delegation;
-	int open_mode = opendata->o_arg.open_flags & (O_EXCL|O_TRUNC);
+	int open_mode = opendata->o_arg.open_flags;
 	fmode_t fmode = opendata->o_arg.fmode;
 	nfs4_stateid stateid;
 	int ret = -EAGAIN;

trunk/fs/nfs/super.c

@@ -1942,6 +1942,7 @@ static int nfs23_validate_mount_data(void *options,
 		args->namlen		= data->namlen;
 		args->bsize		= data->bsize;
 
+		args->auth_flavors[0] = RPC_AUTH_UNIX;
 		if (data->flags & NFS_MOUNT_SECFLAVOUR)
 			args->auth_flavors[0] = data->pseudoflavor;
 		if (!args->nfs_server.hostname)
@@ -2637,6 +2638,7 @@ static int nfs4_validate_mount_data(void *options,
 			goto out_no_address;
 		args->nfs_server.port = ntohs(((struct sockaddr_in *)sap)->sin_port);
 
+		args->auth_flavors[0] = RPC_AUTH_UNIX;
 		if (data->auth_flavourlen) {
 			if (data->auth_flavourlen > 1)
 				goto out_inval_auth;

trunk/fs/reiserfs/dir.c

@@ -204,6 +204,8 @@ int reiserfs_readdir_dentry(struct dentry *dentry, void *dirent,
 				next_pos = deh_offset(deh) + 1;
 
 				if (item_moved(&tmp_ih, &path_to_entry)) {
+					set_cpu_key_k_offset(&pos_key,
+							     next_pos);
 					goto research;
 				}
 			}	/* for */

trunk/fs/reiserfs/inode.c

@@ -1811,11 +1811,16 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th,
 				  TYPE_STAT_DATA, SD_SIZE, MAX_US_INT);
 	memcpy(INODE_PKEY(inode), &(ih.ih_key), KEY_SIZE);
 	args.dirid = le32_to_cpu(ih.ih_key.k_dir_id);
-	if (insert_inode_locked4(inode, args.objectid,
-			     reiserfs_find_actor, &args) < 0) {
+
+	reiserfs_write_unlock(inode->i_sb);
+	err = insert_inode_locked4(inode, args.objectid,
+			     reiserfs_find_actor, &args);
+	reiserfs_write_lock(inode->i_sb);
+	if (err) {
 		err = -EINVAL;
 		goto out_bad_inode;
 	}
+
 	if (old_format_only(sb))
 		/* not a perfect generation count, as object ids can be reused, but
 		 ** this is as good as reiserfs can do right now.

trunk/fs/reiserfs/xattr.c

@@ -318,7 +318,19 @@ static int delete_one_xattr(struct dentry *dentry, void *data)
 static int chown_one_xattr(struct dentry *dentry, void *data)
 {
 	struct iattr *attrs = data;
-	return reiserfs_setattr(dentry, attrs);
+	int ia_valid = attrs->ia_valid;
+	int err;
+
+	/*
+	 * We only want the ownership bits. Otherwise, we'll do
+	 * things like change a directory to a regular file if
+	 * ATTR_MODE is set.
+	 */
+	attrs->ia_valid &= (ATTR_UID|ATTR_GID);
+	err = reiserfs_setattr(dentry, attrs);
+	attrs->ia_valid = ia_valid;
+
+	return err;
 }
 
 /* No i_mutex, but the inode is unconnected. */

trunk/fs/reiserfs/xattr_acl.c

@@ -443,6 +443,9 @@ int reiserfs_acl_chmod(struct inode *inode)
 	int depth;
 	int error;
 
+	if (IS_PRIVATE(inode))
+		return 0;
+
 	if (S_ISLNK(inode->i_mode))
 		return -EOPNOTSUPP;
 

trunk/fs/xfs/xfs_attr_leaf.c

@@ -1412,7 +1412,7 @@ xfs_attr3_leaf_add_work(
 		name_rmt->valuelen = 0;
 		name_rmt->valueblk = 0;
 		args->rmtblkno = 1;
-		args->rmtblkcnt = XFS_B_TO_FSB(mp, args->valuelen);
+		args->rmtblkcnt = xfs_attr3_rmt_blocks(mp, args->valuelen);
 	}
 	xfs_trans_log_buf(args->trans, bp,
 	     XFS_DA_LOGRANGE(leaf, xfs_attr3_leaf_name(leaf, args->index),
@@ -1445,41 +1445,51 @@ xfs_attr3_leaf_add_work(
 STATIC void
 xfs_attr3_leaf_compact(
 	struct xfs_da_args	*args,
-	struct xfs_attr3_icleaf_hdr *ichdr_d,
+	struct xfs_attr3_icleaf_hdr *ichdr_dst,
 	struct xfs_buf		*bp)
 {
-	xfs_attr_leafblock_t	*leaf_s, *leaf_d;
-	struct xfs_attr3_icleaf_hdr ichdr_s;
+	struct xfs_attr_leafblock *leaf_src;
+	struct xfs_attr_leafblock *leaf_dst;
+	struct xfs_attr3_icleaf_hdr ichdr_src;
 	struct xfs_trans	*trans = args->trans;
 	struct xfs_mount	*mp = trans->t_mountp;
 	char			*tmpbuffer;
 
 	trace_xfs_attr_leaf_compact(args);
 
 	tmpbuffer = kmem_alloc(XFS_LBSIZE(mp), KM_SLEEP);
-	ASSERT(tmpbuffer != NULL);
 	memcpy(tmpbuffer, bp->b_addr, XFS_LBSIZE(mp));
 	memset(bp->b_addr, 0, XFS_LBSIZE(mp));
+	leaf_src = (xfs_attr_leafblock_t *)tmpbuffer;
+	leaf_dst = bp->b_addr;
 
 	/*
-	 * Copy basic information
+	 * Copy the on-disk header back into the destination buffer to ensure
+	 * all the information in the header that is not part of the incore
+	 * header structure is preserved.
 	 */
-	leaf_s = (xfs_attr_leafblock_t *)tmpbuffer;
-	leaf_d = bp->b_addr;
-	ichdr_s = *ichdr_d;	/* struct copy */
-	ichdr_d->firstused = XFS_LBSIZE(mp);
-	ichdr_d->usedbytes = 0;
-	ichdr_d->count = 0;
-	ichdr_d->holes = 0;
-	ichdr_d->freemap[0].base = xfs_attr3_leaf_hdr_size(leaf_s);
-	ichdr_d->freemap[0].size = ichdr_d->firstused - ichdr_d->freemap[0].base;
+	memcpy(bp->b_addr, tmpbuffer, xfs_attr3_leaf_hdr_size(leaf_src));
+
+	/* Initialise the incore headers */
+	ichdr_src = *ichdr_dst;	/* struct copy */
+	ichdr_dst->firstused = XFS_LBSIZE(mp);
+	ichdr_dst->usedbytes = 0;
+	ichdr_dst->count = 0;
+	ichdr_dst->holes = 0;
+	ichdr_dst->freemap[0].base = xfs_attr3_leaf_hdr_size(leaf_src);
+	ichdr_dst->freemap[0].size = ichdr_dst->firstused -
+						ichdr_dst->freemap[0].base;
+
+
+	/* write the header back to initialise the underlying buffer */
+	xfs_attr3_leaf_hdr_to_disk(leaf_dst, ichdr_dst);
 
 	/*
 	 * Copy all entry's in the same (sorted) order,
 	 * but allocate name/value pairs packed and in sequence.
 	 */
-	xfs_attr3_leaf_moveents(leaf_s, &ichdr_s, 0, leaf_d, ichdr_d, 0,
-				ichdr_s.count, mp);
+	xfs_attr3_leaf_moveents(leaf_src, &ichdr_src, 0, leaf_dst, ichdr_dst, 0,
+				ichdr_src.count, mp);
 	/*
 	 * this logs the entire buffer, but the caller must write the header
 	 * back to the buffer when it is finished modifying it.
@@ -2181,14 +2191,24 @@ xfs_attr3_leaf_unbalance(
 		struct xfs_attr_leafblock *tmp_leaf;
 		struct xfs_attr3_icleaf_hdr tmphdr;
 
-		tmp_leaf = kmem_alloc(state->blocksize, KM_SLEEP);
-		memset(tmp_leaf, 0, state->blocksize);
-		memset(&tmphdr, 0, sizeof(tmphdr));
+		tmp_leaf = kmem_zalloc(state->blocksize, KM_SLEEP);
 
+		/*
+		 * Copy the header into the temp leaf so that all the stuff
+		 * not in the incore header is present and gets copied back in
+		 * once we've moved all the entries.
+		 */
+		memcpy(tmp_leaf, save_leaf, xfs_attr3_leaf_hdr_size(save_leaf));
+
+		memset(&tmphdr, 0, sizeof(tmphdr));
 		tmphdr.magic = savehdr.magic;
 		tmphdr.forw = savehdr.forw;
 		tmphdr.back = savehdr.back;
 		tmphdr.firstused = state->blocksize;
+
+		/* write the header to the temp buffer to initialise it */
+		xfs_attr3_leaf_hdr_to_disk(tmp_leaf, &tmphdr);
+
 		if (xfs_attr3_leaf_order(save_blk->bp, &savehdr,
 					 drop_blk->bp, &drophdr)) {
 			xfs_attr3_leaf_moveents(drop_leaf, &drophdr, 0,
@@ -2334,8 +2354,9 @@ xfs_attr3_leaf_lookup_int(
 			args->index = probe;
 			args->valuelen = be32_to_cpu(name_rmt->valuelen);
 			args->rmtblkno = be32_to_cpu(name_rmt->valueblk);
-			args->rmtblkcnt = XFS_B_TO_FSB(args->dp->i_mount,
-						       args->valuelen);
+			args->rmtblkcnt = xfs_attr3_rmt_blocks(
+							args->dp->i_mount,
+							args->valuelen);
 			return XFS_ERROR(EEXIST);
 		}
 	}
@@ -2386,7 +2407,8 @@ xfs_attr3_leaf_getvalue(
 		ASSERT(memcmp(args->name, name_rmt->name, args->namelen) == 0);
 		valuelen = be32_to_cpu(name_rmt->valuelen);
 		args->rmtblkno = be32_to_cpu(name_rmt->valueblk);
-		args->rmtblkcnt = XFS_B_TO_FSB(args->dp->i_mount, valuelen);
+		args->rmtblkcnt = xfs_attr3_rmt_blocks(args->dp->i_mount,
+						       valuelen);
 		if (args->flags & ATTR_KERNOVAL) {
 			args->valuelen = valuelen;
 			return 0;
@@ -2712,7 +2734,8 @@ xfs_attr3_leaf_list_int(
 				args.valuelen = valuelen;
 				args.value = kmem_alloc(valuelen, KM_SLEEP | KM_NOFS);
 				args.rmtblkno = be32_to_cpu(name_rmt->valueblk);
-				args.rmtblkcnt = XFS_B_TO_FSB(args.dp->i_mount, valuelen);
+				args.rmtblkcnt = xfs_attr3_rmt_blocks(
+							args.dp->i_mount, valuelen);
 				retval = xfs_attr_rmtval_get(&args);
 				if (retval)
 					return retval;